Re: TBS 8920 still fails to initialize - cx24116_readreg error

[Mark Zimmerman <markzimm@frii.com>]

On Thu, Jul 30, 2009 at 01:22:21AM +0300, Igor M. Liplianin wrote:
> On 28 ???? 2009 04:21:54 Mark Zimmerman wrote:
> > On Mon, Jul 27, 2009 at 08:50:20PM +0300, Igor M. Liplianin wrote:
> > > On 27 ???? 2009 04:43:16 Mark Zimmerman wrote:
> > > > On Sun, Jul 26, 2009 at 03:29:13PM +0300, Igor M. Liplianin wrote:
> > > > > On 25 ???? 2009 05:22:06 Mark Zimmerman wrote:
> > > > > > On Fri, Jul 24, 2009 at 07:06:11PM +0300, Igor M. Liplianin wrote:
> > > > > > > On 24 ???? 2009 05:33:15 Mark Zimmerman wrote:
> > > > > > > > Greetings:
> > > > > > > >
> > > > > > > > Using current current v4l-dvb drivers, I get the following in
> > > > > > > > the dmesg:
> > > > > > > >
> > > > > > > > cx88[1]/2: subsystem: 8920:8888, board: TBS 8920 DVB-S/S2
> > > > > > > > [card=72] cx88[1]/2: cx2388x based DVB/ATSC card
> > > > > > > > cx8802_alloc_frontends() allocating 1 frontend(s)
> > > > > > > > cx24116_readreg: reg=0xff (error=-6)
> > > > > > > > cx24116_readreg: reg=0xfe (error=-6)
> > > > > > > > Invalid probe, probably not a CX24116 device
> > > > > > > > cx88[1]/2: frontend initialization failed
> > > > > > > > cx88[1]/2: dvb_register failed (err = -22)
> > > > > > > > cx88[1]/2: cx8802 probe failed, err = -22
> > > > > > > >
> > > > > > > > Does this mean that one of the chips on this card is different
> > > > > > > > than expected? How can I gather useful information about this?
> > > > > > >
> Please try attached patch against recent v4l-dvb.
> It does matter to set explicitly gpio0 value in cx88_board structure for TBS 8920 card.
> 
> Igor
> 
> 

> # HG changeset patch
> # User Igor M. Liplianin <liplianin@me.by>
> # Date 1248905908 -10800
> # Node ID d2dee95e2da26a145cca2d081be86793cc9b07ea
> # Parent  ee6cf88cb5d3faf861289fce0ef0385846adcc7c
> fix TBS 8920 card support
> 

Looks good now. dmesg follows:

Linux video capture interface: v2.00
cx88/2: cx2388x MPEG-TS Driver Manager version 0.0.7 loaded
cx88[0]: subsystem: 8920:8888, board: TBS 8920 DVB-S/S2 [card=72,autodetected], frontend(s): 1
cx88[0]: TV tuner type 4, Radio tuner type -1
input: ImPS/2 Generic Wheel Mouse as /devices/platform/i8042/serio1/input/input5
cx88/0: cx2388x v4l2 driver version 0.0.7 loaded
cx88[0]/2: cx2388x 8802 Driver Manager
  alloc irq_desc for 17 on cpu 0 node 0
  alloc kstat_irqs on cpu 0 node 0
cx88-mpeg driver manager 0000:00:08.2: PCI INT A -> GSI 17 (level, low) -> IRQ 17
cx88[0]/2: found at 0000:00:08.2, rev: 5, irq: 17, latency: 32, mmio: 0xf9000000
IRQ 17/cx88[0]: IRQF_DISABLED is not guaranteed on shared IRQs
cx8800 0000:00:08.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
cx88[0]/0: found at 0000:00:08.0, rev: 5, irq: 17, latency: 32, mmio: 0xfa000000
IRQ 17/cx88[0]: IRQF_DISABLED is not guaranteed on shared IRQs
cx88[0]/0: registered device video0 [v4l2]
cx88[0]/0: registered device vbi0
cx88/2: cx2388x dvb driver version 0.0.7 loaded
cx88/2: registering cx8802 driver, type: dvb access: shared
cx88[0]/2: subsystem: 8920:8888, board: TBS 8920 DVB-S/S2 [card=72]
cx88[0]/2: cx2388x based DVB/ATSC card
cx8802_alloc_frontends() allocating 1 frontend(s)
DVB: registering new adapter (cx88[0])
DVB: registering adapter 0 frontend 0 (Conexant CX24116/CX24118)...

...

cx24116_firmware_ondemand: Waiting for firmware upload (dvb-fe-cx24116.fw)...
cx88-mpeg driver manager 0000:00:08.2: firmware: requesting dvb-fe-cx24116.fw
cx24116_firmware_ondemand: Waiting for firmware upload(2)...
cx24116_load_firmware: FW version 1.23.86.1
cx24116_firmware_ondemand: Firmware upload complete

vtest$ ls -laR /dev/dvb
/dev/dvb:
total 0
drwxr-xr-x  3 root root   60 2009-07-29 21:13 .
drwxr-xr-x 18 root root 3480 2009-07-29 21:14 ..
drwxr-xr-x  2 root root  120 2009-07-29 21:13 adapter0

/dev/dvb/adapter0:
total 0
drwxr-xr-x 2 root root     120 2009-07-29 21:13 .
drwxr-xr-x 3 root root      60 2009-07-29 21:13 ..
crw-rw---- 1 root video 212, 1 2009-07-29 21:13 demux0
crw-rw---- 1 root video 212, 2 2009-07-29 21:13 dvr0
crw-rw---- 1 root video 212, 0 2009-07-29 21:13 frontend0
crw-rw---- 1 root video 212, 3 2009-07-29 21:13 net0

Thank you for working through this.
-- Mark